What are Delta's total estimated future minimum lease payments related to operating type leases? What are Delta's total estimated future minimum lease payments related to finance-type leases? If these are future obligated payments, why are these amounts different from what is identified as a liability on Delta's balance sheet?

  

Undiscounted Cash Flows The table below reconciles the undiscounted cash flows for each of the first five years and total of the remaining years to the finance lease liabilities and operating lease liabilities recorded on the balance sheet. Future lease cash flows and reconciliation to the balance sheet (in millions) 2022 2023 2024 2025 2026 Thereafter Total minimum lease payments Less: amount of lease payments representing interest Present value of future minimum lease payments Less: current obligations under leases Long-term lease obligations S Operating Leases 944 $ 974 894 866 766 5,307 9,751 (1,992) 7,759 (703) 7,056 S Finance Leases 324 286 369 232 168 636 2,015 (179) 1,836 (280) 1,556